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TEST SAVOLLARI эконометрика 30.11.22
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(x1) , arpa (x2), kartoshka (x3), sabzavot (x4) va beda (x5) ekinlari uchun ajratilgan ekin maydonini don ekinlariga ko’pi bilan 3,5 gektar ekin maydoni ajratilsin degan cheklash sharti qanday yoziladi?
A)x1+ x2 ≤ 3,5 B)x1+ x2 ≥ 3,5 C)x1+ x2 +x3+ x4 + x5 ≤ 3,5 D)x1+ x2 +x3+ x4 + x5 ≥ 3,5 119.Xo’jalik bug’doy (x1) , arpa (x2), kartoshka (x3), sabzavot (x4) va beda (x5) ekinlari uchun ajratilgan ekin maydonini don ekinlariga 12-18 gektar ekin maydonlarini ajratish mumkin, degan cheklash sharti qanday yoziladi? A)x1+ x2 ≤ 12 hamda x1+ x2 ≥ 18 B)x1+ x2 ≥ 12 hamda x1+ x2 ≤ 18 C)x1+ x2 +x3+ x4 + x5 ≤ 12 hamda x1+ x2 +x3+ x4 + x5 ≥ 18 D)x1+ x2 +x3+ x4 + x5 ≥ 12 hamda x1+ x2 +x3+ x4 + x5 ≤ 18 120.x1≥9 va x1≤7 shartlarga ekvivalent shartlarni ko’rsating A)-x1+9≤0 va x1-7≤0 B)x1>9 va x≤7 C)x1≥9 va x1<7 D)x1≥9 va x≥7 121.Quyidagi 2x5+4x6≤3x2 cheklashga ekvivalent cheklashni ko’rsating A)3x2-2x5-4x6≥0 B)-2x5+4x6+3x2≥0 C)-2x5+4x6-3x2≤0 D)-3x2+2x5+4x6≥0 122.Bir birlik birinchi mahsulot (x1)dan olinadigan foyda c1 bo’lsa, u holda A)birinchi mahsulotdan x1*c1 miqdorda foyda olinadi B)foyda x1/c1 teng buladi C)birinchi mahsulotdan x1+c1 mikdorda foyda olinadi D)mahsulot ishlab chiqarish x1*c2 teng bo’ladi 123.x2≤0,2x5 cheklashga teng kuchli cheklashni ko’rsating A)-x2+0,2x5≥0 B)2x+0,2x5≥0 C)x2-0,2x≥0 D)2x+0,2x≥0 124.2,2x6-0,2x3-0,2x4-0,2x5-0,2x8≥0 shartga ekvivalent shartni kursating A)0,2X3+0,2X4+0,2X5-2,2X6+0,2X8≤0 B)-2,2X6+0,2X3+0,2X4+0,2X5+0,2X8≥0 C)2,2X6+0,2X3+0,2X4+0,2X5+0,2X8≥0 D)-2,1X6+0,1X3=0 125.Quyidagi cheklashga x6≤60-x2 ekvivalent cheklashni ko’rsating A)x2+x6≤60 B)6x+2x≤60 C)x2+x6+60≤0 D)x2+6x≤60 126.x3+x8≤173+x1 shartga ekvivalent shartni ko’rsating A)-x1+x3+x8≤173 B)-x1+x3-x8≤173 C)-x1+x3+x8 ≤175 D)-x1+x3+x8≥173 127.x1≥0,4(x1+x2) shartga ekvivalent shartni ko’rsating A)0,6x1-0,4x2≥0 B)x1≥x1+x2 C)0,6x1-0,4x2≤0 D)-1,5x1+x2≥0 128.0,1x3+0,1x4≥0,1x5 shartga ekvivalent shartni ko’rsating A)-0,1x3-0,1x4+0,1x5≤0 B)-2,1X6+0,1X3=0 C)0,1x3+0,1x4+0,1x5≤0 D)-0,1x3-0,1x4-0,1x5≤0 129.Quyidagi shartlardan o’zaro ekvivalentini ko’rsating A)0,14x4≥3x6 va -0,14x4+3x6≤0 B)0,14x4≥3x6 va -0,14x4+3x6≥0 C)0,14x5≥1x6 va 0,14x5+1x6≤0 D)x1≥14 va -x1+14≥0 Download 318.72 Kb. Do'stlaringiz bilan baham: 
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